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有限變形率 壓密理論에 의한 軟弱 粘土의 -次元 壓密에 관한 數値 解析的 연구
Nam Jae Yoo(兪南在),Yoon Hwa Jung(鄭潤和)Myung Woog Lee(李明旭) 강원대학교 산업기술연구소 1991 産業技術硏究 Vol.11 No.-
A numerical study was performed to investigate characteristics of one-dimensional consolidation of soft clay. Results of consolidation tests with the remolded normally consolidation clay of having a very high initial void ratio were analyzed by using the numerical technique of finite difference method based on the finite strain consolidation theory, to evaluate consolidational characteristics of soft clay under surcharges on the top of clay. On the other hand, a numerical parametric study on soft clay consolidated due to its self-weight was also carried out to find its effect on one-dimensional consolidation. Terzaghi’s conventional consolidation theory, finite strain consolidation theories with linear and non-linear interpolation of effective stress - void ratio - permeability relation were used to analyze the test results and their results were compared to each other to figure out the difference between them. Therefore, the validity of theories was assessed.
텔레매틱스 기반의 PDA 영상정보 전송을 위한 임베디드 컨트롤러 설계
윤주대(Joo-Dae Yoon),이재강(Jae-Kang Lee),정윤화(Yun-Hwa Jung),정경호(Kyung-Ho Chung),안광선(Gwang-Sun Ahn) 한국정보과학회 2005 한국정보과학회 학술발표논문집 Vol.32 No.1
최근 텔레매틱스 분야가 자동차 산업 및 IT 산업의 차세대 유망 사업으로 부상하고 있다. 이러한 가운데 무선통신 기술은 지금까지 집이나 사무실에서만 가능했던 수많은 상업적 서비스들을 차량에서 가능하게 했다. GPS의 경우 차량의 위치를 알려주는 항법 장치로서 많은 사람들이 PDA를 통해 사용하고 있지만 PDA의 화면이 너무 작아서 불편해하고 있다. 본 논문은 이러한 문제점을 해결하고자 텔레매틱스 기반의 PDA 영상 정보를 전송하기위한 임베디드 컨트롤러를 설계한다. 임베디드 컨트롤러는 리눅스 운영체제를 통해 구현하였고 PDA와 컨트롤러간의 데이터 통신은 무선랜을 사용하였다.
有限變形率 壓密理論에 의한 軟弱 粘土의 一次元 壓密에 관한 數値 解析的 연구
鄭潤和,李明旭,兪南在 江原大學校 産業技術硏究所 1991 産業技術硏究 Vol.11 No.-
A numerical study was performed to investigate characteristics of one-dimensional consolidation of soft clay. Results of consolidation tests with the remolded normally consolidation clay of having a very high initial void ratio were analyzed by using the numerical technique of finite difference method based on the finite strain consolidation theory, to evaluate consolidational characteristics of soft clay under surcharges on the top of clay. On the other hand, a numerical parametric study on soft clay consolidated due to its self-weight was also carried out to find its effect on one-dimensional consolidation. Terzaghi's conventional consolidation theory, finite strain consolidation theories with linear and non-linear interpolation of effective stress-void ratio -permeability realtion were used to analyze the test results and their results were compared to each other to figure out the difference between them.Therefore, the validity of theories was assessed.